[Data-modeling] What is the best way to prototype a schema?

[Paul Mackay]

I'm  trying to develop some new schema entities and hit some issues after
trying to modify some sample entries. Deletion of a topic can only be
flagged so now I have some topics that are not correct.

So what is the recommended approach:

Use a personal namespace? What happens when other existing topics get your
new type attached to them?

Use the sandbox? I understand that is wiped each week? How to preserve some
sample entries? Are there any simple import/export tools that can be used?

How to know when it is logical to migrate into a public Base?

Thanks

paul
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